A not equal for an unordered relation should return true as specified in IEEE-754, e.g.,
NAN != NAN ? 1 : 0 should return 1. Also fix the case for complex.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102598 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index 1c2b76e..c1a42d8 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -1119,9 +1119,11 @@
assert(E->getOpcode() == BinaryOperator::NE &&
"Invalid complex comparison.");
return Success(((CR_r == APFloat::cmpGreaterThan ||
- CR_r == APFloat::cmpLessThan) &&
+ CR_r == APFloat::cmpLessThan ||
+ CR_r == APFloat::cmpUnordered) ||
(CR_i == APFloat::cmpGreaterThan ||
- CR_i == APFloat::cmpLessThan)), E);
+ CR_i == APFloat::cmpLessThan ||
+ CR_i == APFloat::cmpUnordered)), E);
}
} else {
if (E->getOpcode() == BinaryOperator::EQ)
@@ -1164,7 +1166,8 @@
return Success(CR == APFloat::cmpEqual, E);
case BinaryOperator::NE:
return Success(CR == APFloat::cmpGreaterThan
- || CR == APFloat::cmpLessThan, E);
+ || CR == APFloat::cmpLessThan
+ || CR == APFloat::cmpUnordered, E);
}
}